our company is a manufacoty of SFP/GBIC in china, and also do trading business for original cisco products. All our OEM products could 100% compatible with Cisco, HP, Extreme, Foundary, Nortel, Siemens. H3C. Huawei, Alcatel, Netgear, D-link. Linksys....,and so on ,all of our product come with one year warranty.
For the trading business for cisco we have used cisco modules, switches,routers, some of the modules have original labels and some without labels,all the items are with good quanlity and best price.